Emma Hoffman — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Olmsted-County, Minnesota

Our Model Tree links this Emma Hoffman across the 1920, 1930 and 1940 US Censuses in Olmsted-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 4-person household.

Age 66 b. ~1874 Female Head Born: Minnesota Divorced

1940 Census Record Details

Census Year	1940
Location	Olmsted-County, Minnesota
Surname	Hoffman
Given Name	Emma B.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	66
Marital Status	Divorced
Birthplace	Minnesota
1935 Residence (City)	Rochester
Additional Details
Highest Grade	No 8
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota
Township / Ward	Rochester
Est. Birth Year	~1874

Household Members

Census records only state relationship to the household head. Pairwise kinship is derived (~90–95% accurate), not recorded. Step/blended families and boarders can break it.

4 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Emma	Age	Birth yr
Elmer Hoffman	Son	—	44	~1896
Emma Hoffman	Head	—	66	~1874
Martin Krakrud	Other	—	64	~1876
Florence Hoffman	Daughter	—	38	~1902

Census Appearances

1920

Olmsted, Minnesota

Head, age 46

Olmsted, Minnesota · implied b. ~1874 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hoffmann
Given Name	Emma E
Relationship to Head	Head
Sex	F
Color / Race	White
Age	46
Marital Status	Married
Birthplace	Minnesota
Father's Birthplace	Germany
Mother's Birthplace	Germany
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	German
Birth State	Minnesota
Birth Country	United States
Year of Naturalization	F
Birthplace (normalized)	minnesota

1930

Olmsted, Minnesota

Head, age 56

Olmsted, Minnesota · implied b. ~1874 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hoffman
Given Name	Emma B.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	56
Marital Status	Widowed
Birthplace	Minnesota
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	Maid
Industry	Hotel
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	5000
Radio Set	R
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

1940

Olmsted-County, Minnesota

Head, age 66

Olmsted-County, Minnesota · implied b. ~1874 — 4 household members

Surname	Hoffman
Given Name	Emma B.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	66
Marital Status	Divorced
Birthplace	Minnesota
1935 Residence (City)	Rochester
Highest Grade	No 8
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

Model Tree

Linked across censuses

Our Model Tree links Emma Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Emma Hoffman

Head · 1940 · age 66 · b. ~1874 · Minnesota

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Olmsted-County, Minnesota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01944-00302)

Line	Name	Age	Relation	Occupation	Birthplace
1	Ella M. Conroy	67	Head	—	Minnesota
2	Julia M. Kindseth	46	Head	Reporter	Minnesota
3	Daniel C. Murphy	75	Head	—	Ohio
4	Ethel S. Murphy	36	Daughter	Clerk	Minnesota
5	Albert H. Beneke	72	Head	—	Minnesota
6	Anna E. Beneke	73	Wife	—	Minnesota
7	Ernest E. Harkness	53	Head	Undertaker	Iowa
8	Ida N. Harkness	54	Wife	—	Minnesota
9	Gloria J. Harkness	12	Daughter	—	Minnesota
10	Emma M. Kittanning	45	Servant	Servant	Illinois
11	Ora M. Blahky	58	Head	—	Indiana
12	Don M. Blahky	29	Son	Cook	Indiana
13	Raymond E. Blahky	25	Son	Cook	Indiana
14	Ralph H. Blahky	21	Son	Laborer	Iowa
15	Robert R. Blahky	19	Son	Painter	Iowa
16	Joseph R.W. Blahky	17	Son	—	Minnesota
17	Neva E. Campbell	29	Daughter	Dietician	Iowa
18	Thomas R. Campbell	7	Grandson	—	Minnesota
19	Jaceline R. Campbell	6	Granddaughter	—	Minnesota
20	—	None	—	—	—
21	Emma B. Hoffman THIS PERSON	66	Head	—	Minnesota
22	Elmer A.C. Hoffman	44	Son	New Worker	Minnesota
23	Florence M. Hoffman	38	Daughter	—	Minnesota
24	Martin Krakrud	64	Lodger	—	Norway
25	Harry H. Peterson	35	Head	Senior Inspector	Minnesota
26	Lydia A. Peterson	27	Wife	—	Minnesota
27	Hannah A. Peterson	5	Daughter	—	Minnesota
28	Otto H. Johnson	48	Head	Contractor	Sweden
29	Signa Johnson	44	Wife	—	Minnesota
30	Leona E. Johnson	13	Daughter	—	Minnesota
31	Anna Larson	76	Mother	—	Norway
32	Earl Johnson	23	Lodger	Truck Driver	Minnesota
33	Jessie S. Raymond	46	Head	Presser	Minnesota
34	Shirley D. Raymond	18	Daughter	Clerk	Minnesota
35	Oscar F. Baker	53	Head	Cook	Illinois
36	Elizabeth G. Baker	53	Wife	—	S. Dakota
37	Joseph L. Baker	19	Son	Clerk	S. Dakota
38	Robert Harr	20	Lodger	Helper	S. Dakota
39	Arson B. Sprague	23	Head	Nurse	Michigan
40	Phyllis E. Sprague	20	Wife	—	Minnesota

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.

Source: National Archives and Records Administration (NARA)

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